The vast majority of e-books available for purchase on these services are available as DRM-free ePub files, which are supported by e-readers from Barnes & Noble, ReMarkable and many more.
Games on Steam tend to have it, but you can get titles off of GOG and the Humble Store DRM-free. So Dragon Age: The Veilguard not shipping with DRM is a huge win for PC players — not all of them ...
Publisher Electronic Arts and developer BioWare revealed that Dragon Age: The Veilguard will not have any third-party DRM software and will not let players preload the game on PC.